213211214 has 4 divisors (see below), whose sum is σ = 319816824. Its totient is φ = 106605606.

The previous prime is 213211213. The next prime is 213211241. The reversal of 213211214 is 412112312.

213211214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213211192 and 213211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53302802 + ... + 53302805.

It is an arithmetic number, because the mean of its divisors is an integer number (79954206).

Almost surely, 2^213211214 is an apocalyptic number.

213211214 is a deficient number, since it is larger than the sum of its proper divisors (106605610).

213211214 is a wasteful number, since it uses less digits than its factorization.

213211214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106605609.

The product of its digits is 96, while the sum is 17.

The square root of 213211214 is about 14601.7537987736. The cubic root of 213211214 is about 597.4065973289.

Adding to 213211214 its reverse (412112312), we get a palindrome (625323526).

The spelling of 213211214 in words is "two hundred thirteen million, two hundred eleven thousand, two hundred fourteen".